Having trouble keeping power to instruments ( oil,temp,tach,temp,turn signals,speedo,fuel ). All seem to be #12 fuse position. Changed fuse, same result. I can play around with it and get it working, but only for a short time. Can my luck be that bad that the fuse box, of all things, took a dump?
Anyone ever have this type of problem?

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1984 MB 300SD Turbo